0 h 18 m, 16 mar 1836 año - In 1836, Samuel Morse invented the telegraph in the United States
Descripción:
The telegraph transmitted electrical signals over wire connected between different Stations. Samuel also invented Morse Code. It was a communication revolution and was eventually replaced by the telephone, fax machines and other modern technology.Añadido al timeline:
fecha:
0 h 18 m, 16 mar 1836 año
Ahora mismo
~ 189 years ago